Display panel or portion thereof with a transitional mixed reality graphical user interface



FIG. 1 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a first image in a sequence of a first embodiment of our design;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof;

FIG. 5 is a front view of a fifth image thereof;

FIG. 6 is a front view of a sixth image thereof;

FIG. 7 is a front view of a seventh image thereof;

FIG. 8 is a front view of a eighth image thereof;

FIG. 9 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a first image in the sequence of a second embodiment of our design;

FIG. 10 is a front view of a second image thereof;

FIG. 11 is a front view of a third image thereof; and

FIG. 12 is a front view of a fourth image thereof.

FIG. 13 is a front view of a fifth image thereof.

FIG. 14 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a first image in the sequence of a third embodiment of our design;

FIG. 15 is a front view of a second image thereof;

FIG. 16 is a front view of a third image thereof; and

FIG. 17 is a front view of a fourth image thereof.

FIG. 18 is a front view of a fifth image thereof

FIG. 19 is a front view of a sixth image thereof

FIG. 20 is a front view of a seventh image thereof

FIG. 21 is a front view of a display panel or portion thereof with a transitional graphical user interface showing a first image in the sequence of a fourth embodiment of our design;

FIG. 22 is a front view of a second image thereof;

FIG. 23 is a front view of a third image thereof; and

FIG. 24 is a front view of a fourth image thereof.

FIG. 25 is a front view of a fifth image thereof

FIG. 26 is a front view of a sixth image thereof; and,

FIG. 27 is a front view of a seventh image thereof.

The appearance of the image sequentially transitions between the images shown in FIGS. 1 through 8, FIGS. 9 through 13, FIGS. 14 through 20, and FIGS. 21 through 27. The process or period in which one image transitions to another forms no part of the claimed design.

The outermost broken line rectangle illustrates a display panel or portion thereof that forms no part of the claimed design. The remaining broken lines illustrate portions of a graphical user interface or a mixed reality environment, and form no part of the claimed design. 

CLAIM The ornamental design for a display panel or portion thereof with a transitional mixed reality graphical user interface, as shown and described. 